Electronic device



FIG. 1 is a front perspective view of an electronic device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the figure drawings illustrate environmental structure and form no part of the claimed design. 

The ornamental design for an electronic device, substantially as shown and described. 